Sylvan Library Part of what makes Sylvan Library one of the best green enchantments, and the best card draw spell in green, is how blue it feels
The simplest answer is graveyard hate, with cards like Leyline of the Void, Rest in Peace, and Relic of Progenitus being among the best in the format at fighting Dredge and Surgical Extraction also offering a decent amount of value if you can get the timing right (exiling Narcomoeba or Bloodghast makes it hard for Prized Amalgam to return to the battlefield, while getting rid of Creeping Chill with the "exile" trigger on the stack will fizzle the damage)
Mardu Energy excels at flipping Sephiroth in mildly impressive boards, turning into an easy win condition that can double as card generation
GameMagic: The GatheringSetFINAL FANTASY: ExtrasLanguageEnglishConditionNM - Extended Art SlabCard TextYou may look at the top card of your library any time
Shards of Alara , the first set in the block, was fundamentally about five shards, that is, five parts of the plane that broke away from the rest